







Gamma 321A 3-person hot tube
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Gamma 321A 3-person hot tube
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Technical data
- Capacity: 3 persons (2 loungers + 1 seat)
- Number of hydromassage jets: 36
- Hydromassage pump: 1 × 2.2 kW
- Weight: 260 kg
- Water capacity: 850 L
- Lighting: RGB LED (multicolor)
- Heater: 3 kW
MATERIALS
- Cabinet/Casing: Plastic
- Frame: Stainless steel (INOX)
- Shell: Acrylic
- Base: ABS
CONNECTION REQUIREMENTS
- Conductor 3 × 2.5 mm² and 16 A class C fuse or
- Conductor 3 × 4 mm² and 25 A class C fuse or
- Conductor 5 × 2.5 mm² and 3 × 16 A class C fuse*
* Please consult with technical service before preparing the installation.
PUMPS AND ELECTRONICS
- Massage pump: 1 × 2,2 kW
- Circulation pump: 1 × 0,25 kW
- Balboa BP200 control system
- Balboa TP500 control panel
- 3kW Balboa heater
INSULATION
- ThermaCoat Premium foam 1.5 cm
- Thermal cover and base
pool equipment
- Thermal cover
- Stairs
- Base
- Bluetooth
- EVA pillows
- Skimmer
- Water care set





Your Personal SPA Oasis
JJSPA Gamma 321A Spa Bath – Compact 3-Person Jacuzzi for Ultimate Relaxation at Home
The JJSPA Gamma 321A is a compact 3-person jacuzzi spa bath featuring two reclining loungers and one seat, designed to deliver a professional hydrotherapy experience in the comfort of your own home. Its space-saving dimensions make it a perfect fit for small terraces, balconies, and enclosed spaces, creating your very own private relaxation zone.
Powerful hydrotherapy is delivered through 36 massage jets, driven by a high-performance 2.2 kW massage pump for an intense, soothing full-body massage. A 3 kW heater maintains your ideal water temperature at all times, while a 0.25 kW circulation pump ensures continuous, clean water flow.
Sink in, unwind after a long day, and enjoy a deeply relaxing hydromassage experience — all from the comfort of your own home spa.
Types of jets in the Gamma 321A hot tube

Directional PointJET
WATER STREAM DIRECTION ADJUSTMENT
You can adjust the direction of the water stream in the Directional PointJET nozzles to achieve the optimal massage effect.

PointJET
Intensive Point Massage
PointJET nozzles deliver targeted point massage using small but powerful water jets that help relieve tense muscles.

Twin SwirlJET
Rotating Nozzle
The dual stream of the rotating Twin SwirlJET nozzle enables a powerful, deep tissue massage.

Air Blower
Bubble Massage
AirBlower nozzles pump air to provide a gentle bubble massage with an aromatherapy option.

The Perfect Hydrotherapy Experience
The massage jets in the JJSPA Gamma 321A hydrotherapy spa bath are strategically positioned across all massage zones for full-body coverage. This model features 4 different types of jets in various sizes, each precisely targeting specific muscle groups to deliver a comprehensive massage of the neck, shoulders, arms, back, and legs.
All jets are crafted from high-quality materials, ensuring exceptional durability and long service life. A standout feature of our spa baths is the ability to remove and interchange jets within the same size category, allowing you to fully customise your massage experience. Switch between Directional PointJET and Twin or Mono SwirlJET nozzles to create the perfect personalised massage — tailored exactly to your needs for the ultimate relaxation and hydrotherapy experience at home.

Reliable BALBOA™ Electronics
The Gamma 321A hydrotherapy spa bath is powered by Balboa Water Group electronic components — the world's leading manufacturer of control systems for jacuzzis and spa baths. The Balboa BP200 control unit delivers precise, stable management of all functions, built to perform reliably through years of daily use.
Water temperature is maintained at its ideal level by the Balboa M7 Millennium heater — a 3 kW stainless steel INOX heater equipped with two independent temperature sensors that continuously monitor water parameters during flow. The system responds instantly to any change, maintaining the exact set jacuzzi temperature regardless of external conditions.
Day-to-day operation of the spa bath is simple and intuitive thanks to the Balboa TP500 touch control panel — elegant, responsive, and designed with maximum user comfort in mind. From a single screen, you can set the water temperature, programme the massage jets, schedule filtration cycles, set a timer, and control the music system. The panel also features a child lock function, securing access to settings — a practical solution for families with children or installations in public spaces.

Energy Saving – ECO+ System
Energy efficiency in hydrotherapy spa baths is becoming increasingly important as users grow more conscious of the need to reduce energy consumption and protect the environment. The ECO+ system significantly cuts energy usage by maintaining a constant water temperature, ensuring your jacuzzi is always ready to use whenever you need it.
The spa bath features the ThermaCoat insulation system, in which the entire underside of the shell is covered with higher-density foam than that used in other spa baths — delivering superior heat retention from the ground up. All our jacuzzis are fitted with an ABS base, which not only protects the unit and its components from below, but also minimises heat loss for greater energy efficiency.
The thermal cover provides excellent insulation by forming a perfect, seamless fit with the hydrotherapy spa bath, locking in heat and preventing energy loss — so your jacuzzi is always warm and ready to enjoy, exactly when you want it.

Perfectly Clean Water with JJAquaPure
Crystal-clear water is essential for carefree relaxation in the Gamma 321A hydrotherapy spa bath.
The JJAquaPure system consists of unique components that guarantee consistently pristine water quality. The Ozone-Fresh ozone generator introduces dissolved ozone directly into the water, acting as a powerful, natural disinfectant. The benefits of using an ozonator in your jacuzzi include highly effective water sanitisation, a significant reduction in the need for chlorine and other harsh chemicals, and the complete elimination of unpleasant odours — for a cleaner, fresher, and more enjoyable spa experience every time.

Chromotherapy – Colour Healing
RGB LED lighting is far more than a visual feature. Chromotherapy is an alternative colour therapy method combined with luxurious spa relaxation, helping you achieve inner balance and experience a genuine positive shift in your overall wellbeing.
RED: Brings warmth, energy, and stimulation. Energises the heart and blood vessels while awakening the senses.
YELLOW: Increases neuromuscular tone, purifies the blood, supports digestion, and has a powerful cleansing effect. Strongly promotes joy, a sense of security, and a deep feeling of wellbeing.
BLUE: A cool, calming colour that stimulates the parasympathetic nervous system, lowers blood pressure, and soothes breathing and heart rate. Beneficial in the treatment of sleep disorders and headaches.
GREEN: A cool, soothing colour that helps reduce joint and tissue swelling while calming the nervous system.
PURPLE: Supports healthy lymphatic system function and is particularly beneficial during menopause. A colour that neutralises emotional wounds and supports spiritual growth.
TURQUOISE: Enhances intuition and sensitivity, deeply relaxes, and has a toning effect. Harmonises the function of the lungs and large intestine, and encourages spiritual development.

Quality = Durability
The jacuzzi structure is built on a framework of INOX stainless steel pipes, providing outstanding stability and long-lasting structural integrity. The spa bath cabinet is crafted from UV-resistant synthetic material, available in a range of wood-effect finishes and colours, making it easy to complement any outdoor or indoor setting.
Advanced Balboa electronics, a high-performance heating system, and a reliable filtration system together form a set of premium components that guarantee dependable, trouble-free operation — backed by a manufacturer's warranty.
You can also choose your preferred shell colour, giving the spa bath a truly luxurious, personalised look. The shell itself is made from high-quality acrylic with a premium protective coating, offering exceptional resistance to external conditions and everyday wear — ensuring your jacuzzi looks and performs beautifully for years to come.
FAQs
Does the Number of Jets Matter?
More doesn't always mean better. The key is finding the right balance between the number of jets, airflow, and the number of pumps. If these elements are not properly matched, the jets may underperform, resulting in a weak and ineffective massage experience.
It is also worth considering which part of your body matters most to you. If, for example, a back massage is not your priority, you may prefer a model with jets directed more towards the legs, feet, neck, or hands. Every seat in a jacuzzi features strategically positioned jets, so by simply changing seats, you can target different muscle groups and areas of the body — ensuring a truly effective and personalised hydrotherapy experience every time.
How to Care for Your Jacuzzi Water?
When choosing a spa bath, pay close attention to the filtration system. An efficient water purification system not only makes everyday use easier, but also guarantees hygiene and safety for all users.
It is also essential to use water treatment chemicals — much like you would with a swimming pool — to maintain consistently clean and balanced water.
When you purchase a hot tube from us, you will receive a complimentary starter water care chemical kit to get you up and running straight away.
Do I Need a Special Installation?
Every jacuzzi requires an access to an electrical installation, however most models do not require a direct connection to a water supply system. Jacuzzis are typically filled using a garden hose, so the distance from your nearest water source is worth considering when planning your installation.
The water drainage is an important factor — when planning the placement of your spa bath, keep in mind that the water will need to be changed periodically. A garden hose can be connected to the drain valve to easily direct the water away from the unit.
You will find detailed installation requirements listed on each individual product page to help you plan your setup with confidence.
How to prepare the ground for a hot tube?
First and foremost, the surface must be:
- perfectly flat and level
- stable and load-bearing (capable of supporting significant weight)
- resistant to moisture and weather conditions
- constructed to eliminate any risk of subsidence
A concrete slab approximately 10–15 cm thick or paving stones are both excellent options for a solid, reliable base. If you are planning to install your jacuzzi on a wooden or composite deck, make sure to carefully check the load-bearing capacity of the structure before proceeding.